According to the Villa Sorriso Ristorante Executive Director of Operations, the Jackson family has been frequenting the Pasadena establishment for years.

TMZ reported that more than 150 guests are expected to attend the celebration.

As previously reported on Access Hollywood.com, Jackson's death at the age of 50 has been ruled a homicide by the Los Angeles County Coroner's office. The singer's death certificate has been amended, citing "injection by another" as the fatal injury. No criminal charges have been filed over the singer's June 25 death.